This should count as a hack: making music from a thing that should not sing. In this case, [SIROJU] is tickling the ivories with a Brushless DC motor, or BLDC. To listen to a performance, jump to 6:27 ...
Brushless DC (BLDC) motors are standard fare in low-precision, speedy RC applications. The control schemes needed to run them slowly or precisely go deep into motor theory and might put these motors ...
Many different types of induction motors have been available on the market for decades, including ac induction, brushed dc, and brushless dc (BLDC) motors. Each type has advantages and disadvantages.